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Finding the Fourth Proportional to 713,850.93, 1,070,805.57 and 181,385.70

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Solution

The fourth proportional to 713,850.93, 1,070,805.57 and 181,385.70 is: 272,085.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,850.93 : 1,070,805.57 = 181,385.70 : x
  2. Step 2: Convert to fraction form
    713,850.93/1,070,805.57 = 181,385.70/x
  3. Step 3: Cross multiply
    713,850.93x = 1,070,805.57 × 181,385.70
  4. Step 4: Simplify right side
    713,850.93x = 194,228,817,878.35
  5. Step 5: Solve for x
    x = 194,228,817,878.35/713,850.93
  6. Step 6: Final answer
    x = 272,085.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.